package com.huangliusong.desigin.principle.dependenceinversion;

/**
 * @author huangliusong
 * @since 2018/10/8
 * {@link }
 */
public class Hls {
    private ICourse iCourse;




    public  void studyHlsCourse(){
       iCourse.studyCourse();
   }

    public void setiCourse(ICourse iCourse) {
        this.iCourse = iCourse;
    }


}
